Laboratory Rational of Changes in the Crystal Lattice of Nickel-Titanium Endodontic Rotary Files in Autoclaving

Table 1

Change in the mass fraction of the samples after 1, 4, and 7 sterilization cycles.

Sterilization cycle	Element	EDX, %	XRD, %
1	Ni	56, 2	41
	Ti	41, 2
	Fe, Ch, Co, Zn	2, 38	59
4	Ni	57, 3	95
	Ti	42, 3
	Fe, Ch, Co, Zn	0, 321	5
7	Ni	57, 4	98
	Ti	42, 3
	Fe, Ch, Co, Zn	0, 29	2

EDX: energy-dispersive X-ray spectroscopy; XRD: X-ray powder diffraction.